define force and friction for class 10
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a force is that physical cause which changes either the size or the shape or the state of rest or of motion of the body
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Hello Friend !
The answer is given below :
Force :
Force is an external activity which pushes or pulls a body or tends to change the state of rest or of uniform motion of a body.
S.I. unit of force is Newton(N). It can be expressed as kg-m/s².
1 N = 1 kg-m/s²
Friction :
Whenever one body starts sliding on the surface of another body, some force gets developed between them which tries to oppose this relative motion. This is called Friction or Frictional force, it acts whenever there is relative motion or relative motion is tried to be started. Friction can be sliding or rolling.
Hope this helps !
The answer is given below :
Force :
Force is an external activity which pushes or pulls a body or tends to change the state of rest or of uniform motion of a body.
S.I. unit of force is Newton(N). It can be expressed as kg-m/s².
1 N = 1 kg-m/s²
Friction :
Whenever one body starts sliding on the surface of another body, some force gets developed between them which tries to oppose this relative motion. This is called Friction or Frictional force, it acts whenever there is relative motion or relative motion is tried to be started. Friction can be sliding or rolling.
Hope this helps !
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